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Patrick Erbts - Partitioned solution strategies for electro-thermo-mechanical problems applied to the field-assisted sintering technology

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Patrick Erbts

Partitioned solution strategies for electro-thermo-mechanical problems applied to the field-assisted sintering technology

Series: Mechanik/Bruchmechanik

Volume 345 2016

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Governing equations S. 8-44

„… current. A frequently used approximation of radiative heat transfer in thermal analysis reads qr = ε σsb …” „… this end, the basics and fundamentals of radiative heat transfer are briefly outlined in the following …” „… Basics of thermal radiation To begin with, the fundamentals of radiative heat transfer are considered …”

Numerical methods S. 45-78

„… environment of B. Moreover, several methods to tackle radiative heat transfer numerically in vacuum and …” „… the buoyantSimpleRadiationFoam package. 3.4. Numerical radiative heat transfer 71 So far, the SIMPLE …” „… discussed in the following section. 3.4 Numerical radiative heat transfer In this section, three different …”

Bibliography S. 186-204

„… multiphysically coupled radiative heat transfer problems. Journal of Computational Physics, 300:327–351, 2014 …” „… LimitedMemoryMethods. Mathematical Programming, 63(2):129–156, 1994. [25] S. Chandrasekhar. Radiative Transfer. Dover …” „… temperature slip in an absorbing planar medium. International Journal for Heat and Mass Transfer, 8:979–994 …”

Numerical examples S. 145-170

„… enables radiative heat transfer between the radiating surfaces of the graphite tools and the surroundings …” „… emissivity is ε = 1.0. In this example, the influence of convective heat transfer is neglected. 152 5 …” „… Thermal Field GΘ(ϕ k+1,Θ,uk,Qkmap) = 0 Map Radiative Heat Flux on FE Mesh of Thermal Field Check …”

Introduction S. 1-7

„… −Θ4∞) (1.1) to prescribe the radiative heat flux across the radiating surfaces. In this relation, ε …” „… AL. [155] who relate the radiative heat loss to the chamber wall temperatures and the exposed …” „… modeling and on the thermal energy transfer during processing. Further aspects are the motivation to employ …”

Titelei/Inhaltsverzeichnis

„… simulation – Partitioned coupling algorithm – Electro-thermo-mechanical modeling – Radiative heat transfer …” „… and holistic way radiative heat transfer is numerically treated as an additional field. Finally, a …” „… radiative heat transfer . . . . . . . . . . . . . . . . . . . . 71 3.4.1 View factor radiation …”

Solution of coupled problems S. 79-144

„… Consistent field transfer In a partitioned coupling strategy, data have to be transferred between all solvers …” „… are proposed and concepts for an energyconserving data transfer are introduced. Finally, global …” „… in FSI applications can be found in [119, 37], for instance. • An accurate data transfer between the …”

Conclusions and outlook S. 171-173

„… of thermal radiation becomes an important issue. That is why the radiative heat transfer is treated …” „… , different numerical models for the radiative transfer are discussed. For the special case of vacuum …” „… accurate data transfer in the case of incompatible meshes. The proposed strategy was shown to be applicable …”

doi.org/10.51202/9783186345189

VDI Wissensforum GmbH - 28. Deutscher Flammentag

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VDI Wissensforum GmbH (ed.)

28. Deutscher Flammentag

Series: VDI-Berichte

Volume 2302 2017

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B. Peters, M. Mohseni Modeling the combustion of pellet with Extended Discrete Element Method S. 121-130

„… , both radiative and conductive heat transfer is considered. To describe the heat and mass transfer …” „… 121 Generally, biomass conversion is governed by heat transfer rate to the solid fuel. To investigate …” „… tool is coupled to the discrete phase via heat, mass and momentum transfer. The governing equations of …”

D. Nikolaenko, C. Spijker, H. Raupenstrauch Modelling the Jet Cooler for Hot-dip Galvanization of Steel Strips S. 741-746

„… method in radiative heat transfer. International Journal of Engineering Science (1998), Volume 36 …” „… Thermoprozesstechnik, Montanuniversität Leoben, Leoben, Austria Abstract In this work, heat transfer on the …” „… distribution within the steel strip (solid region) and heat transfer through its surface with the surrounding …”

P. Graeser, M. Schiemann Einfluss der Partikelgröße auf den Partikelemissionsgrad eines Steinkohlekokses S. 85-96

„… ., “Quantification of the influence of parameters determining radiative heat transfer in an oxy-fuel operated boiler …” „… combustion,” Int. J. Heat Mass Transf., vol. 65, pp. 143–152, 2013. [2] D. Toporov et al., “Detailed …” „… deposits,” Fuel, vol. 134, pp. 307–314, 2014. [17] J. Gorewoda and V. Scherer, “Normal Radiative Emittance …”

F. Edler, B. Geier, W. Reiter, C. Spijker, H. Raupenstrauch Einbindung der Simulation in die Entwicklung eines staubbeladenen Verbrennungsreaktors hinsichtlich Brenner und Reaktordesign S. 729-734

„… Universität Leoben, Leoben, 2010. [6] Thynell S.: “Discrete-ordinates method in radiative heat transfer …”

S. Bürkle, V. Ebert, D. Rauen, A. Dreizler, G. Möller, J. Hees, D. Zabrodiec, A. Maßmeyer, R. Kneer, V. Ebert, S. Wagner Laserbasierte Messung von Temperatur und Spezieskonzentrationen bei der Verbrennung von torrefizierter Biomasse in einer 100 kWth-Staubfeuerungsversuchsanlage S. 69-84

„… spectroscopic database. Journal of Quantitative Spectroscopy & Radiative Heat Transfer, Vol. 111, pp. 2139-2150 …” „… . Journal of Quantitative Spectroscopy and Radiative Transfer, Vol.130, pp. 4–50 (2013) VDI-Berichte Nr …” „… Quantitative Spectroscopy & Radiative Transfer, Vol. 165, pp. 108–122, http://dx.doi.org/10.1016/j.jqsrt …”

M. Vascellari, C. Hasse, S. Halama, M. Steibel, H. Spliethoff Detailed CFD simulations of a 5-MW industrial-scale entrained-flow gasifier using intrinsic char conversion kinetics S. 199-212

„… considered in the radiative heat transfer calculation. Coal particle trajectories are simulated using a …” „… for the weighted sum of gray gases model. The ASME Journal of Heat Transfer, 1982. 104: p. 602- 608 …”

doi.org/10.51202/9783181023020

Michael Schaub - Experimentelle Betrachtung der Wärmeübertragung durch instationäre freie Konvektion an der vertikalen Platte

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Michael Schaub

Experimentelle Betrachtung der Wärmeübertragung durch instationäre freie Konvektion an der vertikalen Platte

Series: Wärmetechnik/Kältetechnik

Volume 162 2019

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Titelei/Inhaltsverzeichnis

„… natural convection on the heat transfer from a vertical flat plate to air. Therefore, the mean and …” „… momentary intensity of convective heat transfer are determined experimentally for cyclic and step-like …” „… , a maximum increase in the mean convective heat transfer of 23.8% occurs for cyclic variations of …”

doi.org/10.51202/9783186162199

Hendrik C. Belaschk - Näherungsformeln für Spill Plumes in Atrien variabler Größe.

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Hendrik C. Belaschk

Näherungsformeln für Spill Plumes in Atrien variabler Größe.

Series: Berichte des Instituts für Bauphysik der Leibniz Universität Hannover

Volume 5 2012

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Literaturverzeichnis S. 120-126

„… . Modest: Radiative Heat Transfer. 2nd Edition, Elsevier Science, USA, 2003 [61] R. Siegel, J. R. Howell …” „… : Nonorthogonal Finite-Volume Solutions of Radiative Heat Transfer in a Three-dimensional Enclosure. Numerical …” „… . Hughes: Prediction of Radiative Heat Transfer in Cylindrical Enclosures with the Finite Volume Method …”

doi.org/10.51202/9783816786993

Björn Jakob Müller - Improvement of Cu ( In,Ga) (S,Se)2 thin film Solar Cells with the help of Gallium and Sulfur Gradients

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Björn Jakob Müller

Improvement of Cu ( In,Ga) (S,Se)2 thin film Solar Cells with the help of Gallium and Sulfur Gradients

Series: Elektronik/Mikro- und Nanotechnik

Volume 396 2018

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Experimental procedure S. 32-50

„… to 200 ◦C/min and a homogeneous temperature profile due to an arrangement of radiative heaters. The …” „… processed but the complexity of the process makes the transfer to the production line more challenging …” „… the subsequent radiative recombination process. The basic transitions are divided into interband …”

Fundamentals of chalcopyrite solar cell devices S. 4-31

„… limit is used in the radiative recombination limit in order to figure out the dependency on the Eg. The …” „… material are absorbed [10]. The excess energy (Eph −Eg) is dissipated by phonons and will heat the material …” „… with only radiative recombinations or it also identifies that recombination processes can only occur in …”

doi.org/10.51202/9783186396099

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